Most human cells are diploid.  How many chromosomes do they have?

Multiply. 2 ∙ (-8)

Combine like terms.27x – 7y + 10 – 22x – 2 – 5y

Simplify.420 ÷ 14 – (4 + 5)

Simplify.-92

Write between the pair of numbers to make the statement true.0 □ -3

Simplify.4 + (-14) – 10 – (-7) + 6

Solve the problem.Find the perimeter of a rectangular farm measuring 7 mi by 10 mi.

Which of the following corresponds with the meaning “against”?

Add. -3 + 9